<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE11" >
	<title>只能输入数字，并隔固定位置加逗号,并有placeholder</title>
	<script type="text/javascript" src="js/jquery-1.8.3.min.js"></script>
	<script type="text/javascript" src="js/textNumber.js"></script>
</head>
<body>
	<input id="text" style="width: 500px;"/> 
</body>
</html>